312213323401012 has 12 divisors (see below), whose sum is σ = 596043617402016. Its totient is φ = 141915147000440.

The previous prime is 312213323400989. The next prime is 312213323401099. The reversal of 312213323401012 is 210104323312213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3547878674968 + ... + 3547878675055.

It is an arithmetic number, because the mean of its divisors is an integer number (49670301450168).

Almost surely, 2^{312213323401012} is an apocalyptic number.

It is an amenable number.

312213323401012 is a deficient number, since it is larger than the sum of its proper divisors (283830294001004).

312213323401012 is a wasteful number, since it uses less digits than its factorization.

312213323401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095757350038 (or 7095757350036 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 312213323401012 its reverse (210104323312213), we get a palindrome (522317646713225).

The spelling of 312213323401012 in words is "three hundred twelve trillion, two hundred thirteen billion, three hundred twenty-three million, four hundred one thousand, twelve".